PROBLEM 3.1 Determine the torque T that causes a maximum shearing stress of 70 MPa in the steel cylindrical shaft shown.
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Two kg of steam is contained in a piston-cylinder arrangement. The 20-mm-dia, 48-kg piston is allowed to rise with no friction until the temperature reaches 250°C. The final volume is nearest:
A) 0.422 m3 B) 0.388 m3 C) 0.302 m3 D) 0.284 m3
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____________________ are the simplest type of semiconductor
Fill in the blank(s) with the appropriate word(s).
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Battery electrolyte is a mixture of water and what other element?
A. Lead dioxide B. Sulfuric acid C. Sulfur dioxide D. Hydrochloric acid
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The positive battery plate is ________
A) Sometimes called lead peroxide B) Lead dioxide C) Brown in color D) All of the above
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